Interaction-based testers do talk more about avoiding 'train wrecks' - method chains of style of getThis().getThat().getTheOther(). Avoiding method chains is also known as following the Law of Demeter. While method chains are a smell, the opposite problem of middle men objects bloated with forwarding methods is also a smell. (I've always felt I'd be more comfortable with the Law of Demeter if it were called the Suggestion of Demeter.)1

I found it interesting that Fowler links method chaining to users of the state-based testing style. The fact that interaction-based testers view chaining to be a 'train wreck' was also telling.

Being right, does not endow the right to be rude; politeness costs nothing.Being unknowing, is not the same as being stupid.Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.